Android Marshmallow, officially known as Android 6.0, was released in October 2015. It introduced notable features such as a new runtime permissions model, giving users more control over app permissions. Battery life improvements were achieved through Doze Mode and App Standby, optimizing power consumption during periods of inactivity. Now on Tap provided contextual information by analyzing the content on the screen. The Fingerprint API standardized support for fingerprint recognition, enhancing security. Other features included USB Type-C support, Direct Share for simplified content sharing, and Adoptable Storage for merging internal and external storage. Marshmallow aimed to improve user experience, privacy, and device efficiency.